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ige antibodies in bronchial asthma

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https://www.readbyqxmd.com/read/29907668/longterm-outcomes-of-188-japanese-patients-with-eosinophilic-granulomatosis-with-polyangiitis
#1
Aiko Saku, Shunsuke Furuta, Masaki Hiraguri, Kei Ikeda, Yoshihisa Kobayashi, Shin-Ichiro Kagami, Kazuhiro Kurasawa, Ryutaro Matsumura, Daiki Nakagomi, Takao Sugiyama, Takeshi Umibe, Norihiko Watanabe, Hiroshi Nakajima
OBJECTIVE: Patients with eosinophilic granulomatosis with polyangiitis (EGPA) frequently experience relapses, which lead to cumulative organ damage. In this retrospective observational study, we aimed to reveal the risk factors for relapse in EGPA. METHODS: A total of 188 Japanese patients with EGPA diagnosed between 1996 and 2015 were identified from medical records in 10 hospitals. The diagnosis was based on the American College of Rheumatology 1990 criteria or Lanham's criteria...
June 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29890236/a-bispecific-antibody-strategy-to-target-multiple-type-2-cytokines-in-asthma
#2
Marie Godar, Kim Deswarte, Karl Vergote, Michael Saunders, Hans de Haard, Hamida Hammad, Christophe Blanchetot, Bart N Lambrecht
BACKGROUND: Asthma is a chronic inflammatory airway disease in which innate and adaptive immune cells act together to cause eosinophilic inflammation, goblet cell metaplasia (GCM) and bronchial hyperreactivity (BHR). In clinical trials employing biologicals against interleukin (IL)-4Rα or IL-5, only a subset of moderate-to-severe asthmatics responded favorably, suggesting that distinct pathophysiological mechanisms are at play in subgroups of patients, called endotypes. However, the effect of multiple cytokine blockade using bispecific antibodies (Ab) has not been tested...
June 8, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29879991/is-ige-or-eosinophils-the-key-player-in-allergic-asthma-pathogenesis-are-we-asking-the-right-question
#3
REVIEW
Andrea Matucci, Alessandra Vultaggio, Enrico Maggi, Ismail Kasujee
Bronchial asthma (BA) is a chronic inflammatory disease with a marked heterogeneity in pathophysiology and etiology. The heterogeneity of BA may be related to the inducing mechanism(s) (allergic vs non-allergic), the histopathological background (eosinophilic vs non-eosinophilic), and the clinical manifestations, particularly in terms of severity and frequency of exacerbations. Asthma can be divided into at least two different endotypes based on the degree of Th2 inflammation (T2 'high' and T2 'low'). For patients with severe uncontrolled asthma, monoclonal antibodies (mAbs) against immunoglobulin E (IgE) or interleukin (IL)-5 are now available as add-on treatments...
June 8, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29793857/effect-of-tralokinumab-an-interleukin-13-neutralising-monoclonal-antibody-on-eosinophilic-airway-inflammation-in-uncontrolled-moderate-to-severe-asthma-mesos-a-multicentre-double-blind-randomised-placebo-controlled-phase-2-trial
#4
Richard J Russell, Latifa Chachi, J Mark FitzGerald, Vibeke Backer, Ronald Olivenstein, Ingrid L Titlestad, Charlotte Suppli Ulrik, Timothy Harrison, Dave Singh, Rekha Chaudhuri, Brian Leaker, Lorcan McGarvey, Salman Siddiqui, Millie Wang, Martin Braddock, Lars H Nordenmark, David Cohen, Himanshu Parikh, Gene Colice, Christopher E Brightling
BACKGROUND: The role of interleukin 13 in airway inflammation and remodelling in asthma is unclear. Tralokinumab is a human monoclonal antibody that neutralises interleukin 13. We aimed to evaluate whether tralokinumab would have an effect on airway eosinophilic infiltration, blood and sputum eosinophil concentrations, eosinophil activation, and airway remodelling. METHODS: We did a multicentre, double-blind, randomised, placebo-controlled phase 2 trial at 15 centres across the UK, Denmark, and Canada...
May 18, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29764789/eosinophilic-otitis-media-treated-with-anti-ige-monoclonal-antibodies-and-a-bone-conduction-implant
#5
Young Eun Han, Yong Seok Kang, Younhoon Cho, Moo Kyun Park
Eosinophilic otitis media (EOM) are intractable otitis media characterized by highly viscous secretions containing eosinophils in the middle ear. They are resistant to conventional medication and surgery. This condition occurs primarily in patients with bronchial asthma or allergic rhinitis and is often complicated by rhinosinusitis. Systemic and topical steroid therapies are effective treatments. However, long-term steroid therapy is often limited by a high risk of serious adverse effects. The use of topical steroids and otorrhea are bothersome when wearing hearing aids...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29587693/a-case-of-allergic-bronchopulmonary-aspergillosis-successfully-treated-with-mepolizumab
#6
Takeshi Terashima, Taro Shinozaki, Eri Iwami, Takahiro Nakajima, Tatsu Matsuzaki
BACKGROUND: Allergic bronchopulmonary aspergillosis (ABPA) is an allergic pulmonary disease comprising a complex hypersensitivity reaction to Aspergillus fumigatus. Clinical features of ABPA are wheezing, mucoid impaction, and pulmonary infiltrates. Oral corticosteroids and anti-fungal agents are standard therapy for ABPA, but long-term use of systemic corticosteroids often causes serious side effects. CASE PRESENTATION: A 64-year-old woman was diagnosed with ABPA based on a history of bronchial asthma (from 40 years of age), elevated total IgE, the presence of serum precipitating antibodies and elevated specific IgE antibody to A...
March 27, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29495177/-occupational-characteristics-of-318-cases-diagnosed-as-occupational-asthma
#7
J B Zhang, D Y Sun
Objective: To summarize the clinical characteristics of occupational asthma and provide a basis for revising the diagnosis of occupational asthma in China. Methods: Taking "occupational asthma" , "occupational bronchial asthma" and "bronchial provocation test at work site" as key words, the case reports of occupational asthma in China were retrieved. The general data, latent period, allergen, clinical manifestation, and diagnostic methods were analyzed. Results: A total 318 cases from 14 published literatures were reported...
January 20, 2018: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29485799/development-of-respiratory-allergies-asthma-and-allergic-rhinits-in-children-with-atopic-dermatitis
#8
Almira Ćosićkić, Fahrija Skokić, Amela Selimović, Maida Mulić, Sanimir Suljendić, Nermina Dedić, Damir Sabitović, Fejzo Džafić
Children with atopic dermatitis (AD) usually develop symptoms when they reach the age of 6-7 years, but the risk of developing respiratory allergies, asthma and allergic rhinitis (AR) remains high. In most children with AD, the development of asthma and AR is associated with sensitization to food allergens and/or aeroallergens, while only a small percentage missed atopic diathesis. In about 35% of children with AD, food allergy is the provoking cause, and 60% of infants who had AD in the first 3 months of life were sensitized against aeroallergens by the age of 5...
June 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29393209/therapeutic-role-for-tsp-2-antibody-in-a-murine-asthma-model
#9
Kai Li, En Ping Huang, Jin Su, Ping Zhu, Jun Lin, Shen Qiu Luo, Cui Lan Yang
BACKGROUND: Specific immunotherapy, including agonists for Toll-like receptor 2 (TLR2), have been shown to protect from allergies and to have a high immunomodulatory capacity. METHODS: A new antibody, TSP-2, reactive against an epitope of the extracellular domain of TLR2, was identified. The effect of the antibody on dendritic cells was assessed by immunohistochemistry, Western blot, and flow cytometric analysis. The effect of TSP-2 in a murine asthma model induced with ovalbumin (OVA) was assessed...
2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29233467/aspergillus-fumigatus-sensitive-ige-is-associated-with-bronchial-hypersensitivity-in-a-murine-model-of-neutrophilic-airway-inflammation
#10
G Morán, B Uberti, A Ortloff, H Folch
Neutrophils are the predominant inflammatory cells that infiltrate airways during acute exacerbation of asthma. The importance of A. fumigatus sensitization, and IgE response in the airways in patients with acute asthma is unclear. Rockefeller (RK) mice were sensitized with A. fumigatus extract protein. The animals were subsequently challenged with different degrees of A. fumigatus contamination in the cage bedding. All groups of mice were euthanized to obtain bronchoalveolar lavage fluid (BALF) for cytological and Elisa assays, and lung tissue for histological analysis...
March 2018: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29140397/progress-in-the-understanding-of-the-pathology-of-allergic-asthma-and-the-potential-of-fruit-proanthocyanidins-as-modulators-of-airway-inflammation
#11
REVIEW
Sara L Coleman, Odette M Shaw
Allergic asthma is a chronic inflammatory lung disease characterized by sensitization of the airways, and the development of immunoglobulin E antibodies, to benign antigens. The established pathophysiology of asthma includes recurrent lung epithelial inflammation, excessive mucus production, bronchial smooth muscle hyperreactivity, and chronic lung tissue remodeling, resulting in reversible airflow restriction. Immune cells, including eosinophils and the recently characterized type 2 innate lymphoid cells, infiltrate into the lung tissue as part of the inflammatory response in allergic asthma...
December 13, 2017: Food & Function
https://www.readbyqxmd.com/read/29111218/the-notch-pathway-inhibitor-stapled-%C3%AE-helical-peptide-derived-from-mastermind-like-1-sahm1-abrogates-the-hallmarks-of-allergic-asthma
#12
Alex KleinJan, Irma Tindemans, Jeffrey E Montgomery, Melanie Lukkes, Marjolein J W de Bruijn, Menno van Nimwegen, Ingrid Bergen, Raymond E Moellering, Henk C Hoogsteden, Louis Boon, Derk Amsen, R W Hendriks
BACKGROUND: The Notch signaling pathway has been implicated in the pathogenesis of allergic airway inflammation. Targeting the active Notch transactivation complex by using the cell-permeable, hydrocarbon-stapled synthetic peptide stapled α-helical peptide derived from mastermind-like 1 (SAHM1) resulted in genome-wide suppression of Notch-activated genes in leukemic cells and other models. However, the efficacy of SAHM1 in allergic asthma models has remained unexplored. OBJECTIVE: We aimed to investigate the therapeutic efficacy of SAHM1 in a house dust mite (HDM)-driven asthma model...
October 27, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29045689/sensitivity-to-house-dust-mites-allergens-with-atopic-asthma-and-its-relationship-with-cd14-c-159t-polymorphism-in-patients-of-west-bengal-india
#13
Amlan Ghosh, Shampa Dutta, Sanjoy Podder, Priti Mondal, Arghya Laha, Nimai Chandra Saha, Saibal Moitra, Goutam Kumar Saha
India is the home to around 15-20 million asthmatics, and asthma prevalence is increasing in Indian metropolitan area, including Kolkata, West Bengal. Complex interactions of genetic and environmental factors are involved in asthma. Genome-wide search for susceptible loci regulating IgE response (atopy) have identified a candidate gene CD14 which is most important in the context of allergic responses of respiratory system. This study was aimed to investigate the role of house dust and house dust mites in development of bronchial asthma and to explore the possible association of candidate gene CD14 with disease manifestation among Kolkata patient population...
January 10, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29017221/-biologicals-in-the-treatment-of-bronchial-asthma
#14
I Haasler, C Taube
Biologicals are a therapeutic option for patients with severe asthma. Difficult asthma in patients with untreated comorbidities or persistent trigger factors is much more common than severe refractory asthma. Optimized medical treatment, adherence to medication, elimination of trigger factors and treatment of comorbidities are essential before escalating the therapy with a biological. A careful phenotyping of patient with severe asthma is necessary because all available biological are only effective in certain phenotypes of the disease...
October 2017: Pneumologie
https://www.readbyqxmd.com/read/28702854/gastroesophageal-reflux-disease-and-pulmonary-diseases-associated-with-aspergillosis-is-there-a-connection
#15
Maria N Gamaletsou, David W Denning
INTRODUCTION: We studied the relationship between GORD and allergic bronchopulmonary aspergillosis (ABPA), chronic pulmonary aspergillosis (CPA), or Aspergillus bronchitis. BACKGROUND: Gastroesophageal reflux disease (GORD) is well known to initiate or exacerbate pulmonary inflammatory conditions, inducing bronchial asthma and chronic obstructive lung disease. METHODS: We reviewed four patients referred with elevated Aspergillus serology markers and marked pulmonary symptoms for ABPA, CPA, and Aspergillus bronchitis, and discussed the underlying pathophysiological relationship with GORD...
December 2017: Mycopathologia
https://www.readbyqxmd.com/read/28665007/case-of-cholinergic-urticaria-accompanied-by-anaphylaxis
#16
Shigeruko Iijima, Kazumi Kojo, Noriko Takayama, Makiko Hiragun, Takanobu Kan, Michihiro Hide
Cholinergic urticaria occasionally occurs in combination with anaphylactic symptoms. However, this has not been widely reported. Herein, we report the case of a 14-year-old Japanese male who was diagnosed with cholinergic urticaria accompanied by anaphylaxis. The patient, who was suffering from atopic dermatitis and bronchial asthma, had developed wheals after exercising or bathing, which would have increased his core body temperature, since summer 2014. He experienced two episodes of severe systemic symptoms and wheal development when he took a bath after eating in December 2014 and the following January...
November 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28658559/innate-and-adaptive-type-2-immunity-in-lung-allergic-inflammation
#17
REVIEW
Masato Kubo
Allergic inflammation is a type 2 immune disorder classically characterized by high levels of immunoglobulin E (IgE) and the development of Th2 cells. Asthma is a pulmonary allergic inflammatory disease resulting in bronchial hyper-reactivity. Atopic asthma is defined by IgE antibody-mediated mast cell degranulation, while in non-atopic asthma there is no allergen-specific IgE and more involvement of innate immune cells, such as basophils, group 2 innate lymphoid cells (ILC2), and eosinophils. Recently, protease allergens were shown to cause asthmatic responses in the absence of Th2 cells, suggesting that an innate cell network (IL-33/TSLP-basophil-ILC2-IL-5/IL-13 axis) can facilitate the sensitization phase of type 2 inflammatory responses...
July 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28294434/immunologic-regulatory-effects-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-in-a-murine-ovalbumin-asthma-model
#18
S-Y Kang, D-E Park, W-J Song, B-R Bae, J-W Lee, K-H Sohn, H-S Lee, H-R Kang, H-W Park, Y-S Chang, S-J Choi, W-I Oh, K-U Min, S-H Cho
BACKGROUND: Mesenchymal stem cells (MSCs) have multiple immunomodulatory properties and hold therapeutic potential for inflammatory diseases. However, the therapeutic and immunologic effects of human umbilical cord blood-derived MSCs (huMSCs) remain largely unexamined for asthma. OBJECTIVE: This study was to investigate the immunomodulatory properties of huMSCs in an ovalbumin (OVA)-induced murine asthma model. METHODS: Mice were injected intraperitoneally with OVA and an aluminium hydroxide adjuvant...
July 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28293414/galectin-3-an-early-predictive-biomarker-of-modulation-of-airway-remodeling-in-patients-with-severe-asthma-treated-with-omalizumab-for-36-months
#19
Anna Maria Riccio, Pierluigi Mauri, Laura De Ferrari, Rossana Rossi, Dario Di Silvestre, Louise Benazzi, Alessandra Chiappori, Roberto Walter Dal Negro, Claudio Micheletto, Giorgio Walter Canonica
BACKGROUND: Bronchial asthma is a heterogeneous disease characterized by three cardinal features: chronic inflammation, variable airflow obstruction, and airway hyperresponsiveness. Asthma has traditionally been defined using nonspecific clinical and physiologic variables that encompass multiple phenotypes and are treated with nonspecific anti-inflammatory therapies. Based on the modulation of airway remodeling after 12 months of anti-immunoglobulin E (IgE) treatment, we identified two phenotypes (omalizumab responder, OR; and non-omalizumab responder, NOR) and performed morphometric analysis of bronchial biopsy specimens...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28274526/efficacy-of-long-term-omalizumab-therapy-in-patients-with-severe-asthma
#20
Junko Saji, Takahito Yamamoto, Motonaka Arai, Masamichi Mineshita, Teruomi Miyazawa
BACKGROUND: The efficacy of omalizumab, an anti-immunoglobulin E (IgE) antibody, has been studied in patients with severe bronchial asthma. We conducted a study to evaluate, on the basis of both objective and subjective measures, the efficacy of omalizumab as a long-term therapy in patients with severe and persistent asthma. METHODS: Omalizumab was administered subcutaneously every two or four weeks. The results of pulmonary function tests, Asthma Control Test (ACT) and Asthma Health Questionnaire (AHQ)-33 scores, the dosage of methylprednisolone during the 12-month treatment period, and the number of emergency visits prior to the start of treatment with omalizumab were compared in patients pre- and post-treatment with omalizumab...
March 2017: Respiratory Investigation
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